How to Enable USB Debugging on Android Device

--Sunday, 16 April 2017

We often receive user feedback that can not enable USB debugging. This is a complicated question. Different android systems correspond to different modes of operation. USB debugging is turned off in the normal state, it will not automatically open when you need it.
But why do you need to enable USB debugging?
If you are a developer, you need to debug your software after enabling USB debugging. When you connect the device to PC, you can enable USB debugging when it does not work. When you need to root your android phone, you need to enable USB debugging.